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From:   Philip Chen <philipchen@chromium.org>
To:     LKML <linux-kernel@vger.kernel.org>
Cc:     dianders@chromium.org, swboyd@chromium.org,
        Philip Chen <philipchen@chromium.org>,
        Balletbo i Serra <enric.balletbo@collabora.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Airlie <airlied@linux.ie>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Lee Jones <lee.jones@linaro.org>,
        Nicolas Boichat <drinkcat@chromium.org>,
        Rob Herring <robh+dt@kernel.org>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Sam Ravnborg <sam@ravnborg.org>, devicetree@vger.kernel.org,
        dri-devel@lists.freedesktop.org
Subject: [PATCH v2 2/3] dt-bindings: drm/bridge: ps8640: Add aux-bus child
Date:   Wed, 29 Sep 2021 17:34:57 -0700
Message-Id: <20210929173343.v2.2.I6050ba184b24d887e92692a72ee3054d643d6091@changeid>
In-Reply-To: <20210929173343.v2.1.Ib7e63ae17e827ce0636a09d5dec9796043e4f80a@changeid>
References: <20210929173343.v2.1.Ib7e63ae17e827ce0636a09d5dec9796043e4f80a@changeid>
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dp-aux-bus.yaml says we can list an eDP panel as a child of
an eDP controller node to represent the fact that the panel
is connected to the controller's DP AUX bus.

Let's add it to the ps8640 bindings.

Signed-off-by: Philip Chen <philipchen@chromium.org>
---

(no changes since v1)

 .../bindings/display/bridge/ps8640.yaml       | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.yaml b/Documentation/devicetree/bindings/display/bridge/ps8640.yaml
index fce82b605c8b..cdaf7a7a8f88 100644
--- a/Documentation/devicetree/bindings/display/bridge/ps8640.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ps8640.yaml
@@ -40,6 +40,9 @@ properties:
   vdd33-supply:
     description: Regulator for 3.3V digital core power.
 
+  aux-bus:
+    $ref: /schemas/display/dp-aux-bus.yaml#
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
@@ -98,7 +101,21 @@ examples:
                     reg = <1>;
                     ps8640_out: endpoint {
                         remote-endpoint = <&panel_in>;
-                   };
+                    };
+                };
+            };
+
+            aux-bus {
+                panel {
+                    compatible = "boe,nv133fhm-n62";
+                    power-supply = <&pp3300_dx_edp>;
+                    backlight = <&backlight>;
+
+                    port {
+                        panel_in: endpoint {
+                            remote-endpoint = <&ps8640_out>;
+                        };
+                    };
                 };
             };
         };
-- 
2.33.0.685.g46640cef36-goog